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Zero Overhead Monitoring for Cloud-native Infrastructure using RDMA

on YouTube 21m
Talkat USENIX ATC '22 · 2022-07-11..07-13· [observability, networking]

speakers

name:Zhe Wang
links:none on file
name:Zhe Wang
links:none on file
name:Teng Ma
links:none on file
name:Linghe Kong
links:none on file
name:Zhenzao Wen
links:none on file
name:Jingxuan Li
links:none on file
name:Jingxuan Li
links:none on file
name:Zhuo Song
links:none on file
name:Yang Lu
links:none on file
name:Yong Yang
links:none on file
name:Yong Yang
links:none on file
name:Tao Ma
links:none on file
name:Guihai Chen
links:none on file
name:Wei Cao
links:none on file

resources

video:https://youtu.be/d4ZU8A8JeIA
slides:none on file

summary

Zero collects raw metrics with one-sided RDMA reads into predeclared memory regions so the monitored host shows effectively zero CPU usage, and a single network I/O thread on the controller supports 1–10k hosts at 0.1–1s sampling intervals. It uses credit-based flow control plus a hybrid I/O/threading model, shared QP and contiguous memory aggregation to avoid copies; evaluation shows 1–2 orders of magnitude lower monitoring latency and stable throughput versus TCP baselines.

AI-written summary · about

chapters (5)

  1. 0:00Start
  2. 5:10Service jitters
  3. 12:55Implementation & Evaluation
  4. 17:27Conclusion
  5. 18:01Experience & Future works

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